| Gustavus & Louise Pfeiffer | | Wilmington, DE | National | 2 | 2024 | $2,900,000 |
| Femino Foundation | | Pasadena, CA | Local | 8 | 2024 | $1,538,750 |
| James G Boswell Foundation | | Pasadena, CA | Local | 7 | 2024 | $1,450,000 |
| Della Martin Foundation | | Los Angeles, CA | Local | 3 | 2024 | $1,200,000 |
| Hastings Foundation | | Pasadena, CA | Local | 2 | 2024 | $484,370 |
| Joseph & Evelyn Pertusati Charitable 022068466370 | | Dallas, TX | Local | 7 | 2024 | $412,634 |
| Pasadena Community Foundation | | Pasadena, CA | Local | 5 | 2024 | $274,500 |
| Tua Perucca Family Foundation | | Dallas, TX | Local | 7 | 2024 | $190,000 |
| Gordon Ross Medical Foundation | | Pasadena, CA | Local | 6 | 2024 | $188,250 |
| J W and Ida M Jameson Foundation | | Pasadena, CA | Local | 7 | 2024 | $150,000 |
| Ethel Wilson Bowles & Robert Bowles Memorial Fund | | Pasadena, CA | Local | 3 | 2024 | $150,000 |
| Patron Saints Foundation | | Pasadena, CA | Local | 4 | 2024 | $110,000 |
| Francis Bacon Foundation Incorporated | | Pasadena, CA | Local | 3 | 2024 | $95,000 |
| John Jewett & Helen Chandler Garland Foundation | | Pasadena, CA | Local | 3 | 2024 | $95,000 |
| Ann Peppers Foundation | | Pasadena, CA | Local | 4 | 2024 | $85,000 |
| John D Baldeschwieler & Marlene R Konnar Foundation | | Pasadena, CA | Local | 7 | 2024 | $83,700 |
| Trustees of Columbia University | | New York, NY | National | 2 | 2024 | $75,466 |
| Thomas & Bebette Coleman Foundation | | Temple City, CA | Local | 4 | 2024 | $55,000 |
| Warren & Katharine Schlinger Foundation | | Laguna Niguel, CA | Local | 7 | 2024 | $44,500 |
| George and Mary Ann Leal Foundation | | San Marino, CA | Local | 6 | 2024 | $42,500 |
| Ann Jackson Family Foundation | | Santa Barbara, CA | Local | 1 | 2024 | $10,000 |
| Michael J Femino Foundation | | Newport Coast, CA | Local | 3 | 2024 | $6,500 |
| Robert a Waller Foundation | | Pasadena, CA | Local | 2 | 2024 | $5,000 |
| Carl & Henrietta Herrmann Family | | South Pasadena, CA | Local | 3 | 2024 | $4,500 |
| Otis Booth Foundation | | Los Angeles, CA | Local | 7 | 2023 | $360,000 |
| The Confidence Foundation | | Pasadena, CA | Local | 3 | 2023 | $161,799 |
| Saving Tiny Hearts Society | | Buffalo Grove, IL | National | 1 | 2023 | $75,000 |
| J H Stafford Charitable Trust | | Brooklyn, OH | Local | 3 | 2023 | $10,300 |
| Howard & Helen House Family Foundation | | Pasadena, CA | Local | 1 | 2023 | $1,000 |
| Lk Whittier Foundation | | | Local | 2 | 2022 | $8,000,000 |
| Silk Family Foundation | | Ketchum, ID | Local | 5 | 2022 | $210,000 |
| Gardner Grout Foundation | | Reno, NV | Local | 3 | 2022 | $150,000 |
| Blatt Family Foundation | | Wilmington, DE | Local | 5 | 2022 | $115,000 |
| Lluella Morey Murphey Foundation | | Pasadena, CA | Local | 5 | 2022 | $80,000 |
| Ping Wu and Che Sui Family Foundation Inc | | Houston, TX | Local | 1 | 2022 | $25,000 |
| Havner Family Foundation | | Park City, UT | Local | 4 | 2022 | $20,000 |
| Henry a Yost and Cynthia Yost Family Foundation | | S Pasadena, CA | Local | 4 | 2022 | $6,000 |
| Dca Chen Private Foundation | | Pasadena, CA | Local | 4 | 2021 | $93,000 |
| George T Pfleger Foundation | | Newport Beach, CA | Local | 1 | 2021 | $45,000 |
| Lucile Horton Howe and Mitchell B Howe Foundation | | Pasadena, CA | Local | 1 | 2021 | $10,000 |
| Engemann Family Foundation | | Pasadena, CA | — | 3 | 2020 | $1,140,000 |
| Turpin Family Charitable Foundation | | Waltham, MA | Local | 1 | 2020 | $1,000 |
| C C Pascal Charitable Foundation | | Los Angeles, CA | Local | 1 | 2020 | $1,000 |
| Greater Houston Community Foundation | | Houston, TX | Local | 1 | 2019 | $10,000 |
| The Los Angeles Thoracic & Cardiovascular Foundation | | | Local | 2 | 2018 | $80,000 |
| The Scottsdale Foundation | | | — | 1 | 2018 | $1,000 |
| Miller Foundation | | Marion, MA | Local | 1 | 2018 | $200 |
| Tsan Tsung Memorial Foundation | | San Marino, CA | Local | 1 | 2017 | $10,000 |